41 lines
1.1 KiB
Plaintext
41 lines
1.1 KiB
Plaintext
{-|
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Translate a `JSON` value to a `Preserves` value
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-}
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let Prelude = ./Prelude.dhall
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let List/map = Prelude.List.map
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let JSON = Prelude.JSON.Type
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let Preserves = ./Type.dhall
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let Preserves/function = ./function.dhall
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let fromJSON
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: JSON → Preserves
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= λ(json : JSON) →
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λ(Preserves : Type) →
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λ(value : Preserves/function Preserves) →
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json
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Preserves
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{ array = value.sequence
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, bool = λ(x : Bool) → value.symbol (if x then "true" else "false")
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, double = value.double
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, integer = value.integer
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, null = value.symbol "null"
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, object =
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let Entry = { mapKey : Text, mapValue : Preserves }
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in λ(m : List Entry) →
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value.dictionary
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( List/map
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Entry
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{ mapKey : Preserves, mapValue : Preserves }
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(λ(e : Entry) → e with mapKey = value.string e.mapKey)
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m
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)
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, string = value.string
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}
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in fromJSON
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